INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '81ac4698abf3ffa3ea23f74ddf7fd03daa63cec760746b897a0f384d96be964e', 
    'Smpyd9t8QEjikvXr8ENkqBXDFjGDOTaHNmpTZd0Udtc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00021

Result

int(1)