INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '6cd6339f78df6909e9a47ca66833ace7ccbfc924040f802d8e6eec076a633e9c', 
    '7n+hwj4RwLBwzChGu9a5uH4WBEmfL8SwXOkqRR8ylNE=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00018

Result

int(1)