INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'e0bc6321b0af03be3e184b20f335cbb45b9a888fdbdc7f6a363f00287a5ca1c6', 
    'plyquy1CBKvmDEXhGV1exlVdNT2hAaL0bJbVCOVnODM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)