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SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '882232839fd2474522630ce659d2b4c8f8b2c9e716dc5ef20177957a7a739688' 
  AND token = 'AniqHPJg7pqUNQ8WKOo3ptREYpqQOuFgAxoJ7MDEJJk=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00034

JSON explain

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