INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '4a81dfe5dd76bfa315b96cabb52516c05047398b9374712371334d7f4b483468', 
    'K8pSHWdsTflrjGciGlb8gBGUZySi1VEbstbsoKEPiAc=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00045

Result

int(1)