Sandbox

SELECT 
  1 
FROM 
  cscart_lock_keys 
WHERE 
  key_id = '044c72c39a48ab0275d81886679f45dfd03587fbc2a1dfcf55cdef637bc21149' 
  AND token = 'xaQhr8b4iRtuEa142gTnY7WJvE9hVJ/GRRbfn4hraNA=' 
  AND expiry_at > UNIX_TIMESTAMP(NOW())

Query time 0.00018

JSON explain

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