INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'a8239d1119f1b0d5d166352dc9134feaec9c50d93fd57c11fa302da7adc05a64', 
    'z+8QBhwhUnqEjPb5PxSWwXXPr4R3/5hgQ3OXktbI5Aw=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00033

Result

int(1)