INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    'ef4c18910793b3c959743b3d1b1bf3d7018881e7959475d79a33d72a2324121b', 
    '//yWW1cs+zcUPi79Qy3xy1M2KsThO3dvibKijLIOBzM=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00027

Result

int(1)