UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'N45J205/ituEpcUqHGPKArw8iv+Lq5VQ3xXSEHIiik4=' 
WHERE 
  key_id = 'ea7bd8c65111afe884940dcd070e43cc9aea89ba19a37741927fff10ccb704d9' 
  AND (
    token = 'N45J205/ituEpcUqHGPKArw8iv+Lq5VQ3xXSEHIiik4=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00030