Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '220efd0e549fb02affad839bcb96b6e2dcfe45c32637a508963d23b4d72baaa7' 
  AND token = 'CgwsJLO/2VNDFxZUvKVcLkGk1c4Vw3D1EtgkjbOiyT8=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00019

JSON explain

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