INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'c5399af4ed4a44ab957af6b0e286763e9826aa830e752be5643e355a5f034143', 
    'u5sLW4cRw5CL0QD6qpcwowJHyLslHDrH3wt1C0+5R7I=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00035

Result

int(1)