INSERT INTO cscart_lock_keys (key_id, token, expiry_at) 
VALUES 
  (
    '8b6cd4376d5e4829bb1f618d5a97e868564997fc364c759c6d1d8b94e890878a', 
    't9RpQevEYPA9VBmCDByqGo+8z+YiHZrnDwuTat/oY+o=', 
    UNIX_TIMESTAMP(NOW()) + 300
  )

Query time 0.00040

Result

int(1)