INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ef8ce840a82bca3bdf072a9899b0da5b878591d1d05d013906d317cf11cae612', 
    'xRCnjAivzNt5w075Zc2VS9kh89xVJjxGFGxQl0ACmBQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)