INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '7756950f831e58e0b01daa57c13b002152c331ce4bcfaa7e1ac3c3d3d26866f4', 
    'KCsGicBg5rOQq4hi8RCCsHZcD7QUHRy79rQod05JIEs=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00049

Result

int(1)