INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '21bf44af06877366b690201f4e338213aa7a7c4e9ffd984f53a01104883437bc', 
    'JKmDcnlDBGuVw3SKZiMBlyTKRI552+VLmk+Mu7LlemQ=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00020

Result

int(1)