INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4274f4d924f4bf1dd23b41aa99af24f4fbadb1301171fadc65c90a97c86a51b6', 
    'S1hvJybW3V67CMH/EH0QD9iDLq3NKGCUyyarUwbaVes=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00036

Result

int(1)