INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '5e91d0778a99a67a0003ff845af28b7836766f65b992afb690b43b260a1b5c44', 
    '8ioxUNHDLyt4g9KgypMeR/vMezuXll3a50TddoTOudY=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)