INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a2251b07a0a0cf440683a2f33ec06b589f741f871e81bc351213ea209829da39', 
    'MI2GY3qTUd5bwHycpsyjD3vcubHWJJeV8OEJI2Poiso=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00041

Result

int(1)