INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a3947655a2e23007c4abeead0184546b77b4e5871a2e4d98d2947feacfdceabc', 
    'HDEMkR4NYHEoMTOP7pRRbM8TuhusCP5pyvffPlCr+cU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)