INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '88cb3dc7eea93d36cb040cfaa0277093a51b499563968b700897d57cdbf0b67c', 
    'umvkn2w0XXU13xYu7YedBTM+MXD8Ezl5kI971dmQD0Y=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00022

Result

int(1)