INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a4c4d5714904c4d68c7c89a642526d20010bf61a41bfdbae115d830eb890eb2c', 
    '7IQYnPWhCPfJEH4klEfMuLhH2mnn2PXYhgw8bydywQU=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00030

Result

int(1)