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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '1379148b832873034f19166443268a48b2263df40f9119c9f7aeec49533eeb36' 
  AND token = '06zaB2HAGJAdxoL+2WuYVQOa4U2a+6HoS8zn3I5I0x4=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00033

JSON explain

{
  "query_block": {
    "select_id": 1,
    "message": "no matching row in const table"
  }
}